CN111358481A - X-ray machine - Google Patents
X-ray machine Download PDFInfo
- Publication number
- CN111358481A CN111358481A CN202010285605.5A CN202010285605A CN111358481A CN 111358481 A CN111358481 A CN 111358481A CN 202010285605 A CN202010285605 A CN 202010285605A CN 111358481 A CN111358481 A CN 111358481A
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- Prior art keywords
- flat panel
- panel detector
- source assembly
- ray source
- bed
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
- A61B6/4452—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being able to move relative to each other
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/025—Tomosynthesis
Abstract
The invention discloses an X-ray machine, comprising: the X-ray source assembly can be lifted and can rotate around a rotating shaft vertical to the first upright column; the second upright column and the first flat panel detector can be arranged on the second upright column in a lifting manner; the second flat panel detector and the first upright post can move along the length direction of the photography bed; the control device is connected with the first flat panel detector and the second flat panel detector and is used for obtaining a fault fusion image of the inspection target according to the detection signal of the first flat panel detector or the second flat panel detector; during standing detection, the X-ray source assembly and the first flat panel detector synchronously move in the opposite direction, and the X-ray source assembly rotates to enable the first flat panel detector to obtain a projection image of an inspection target; during horizontal detection, the first upright post and the second flat panel detector synchronously move in the opposite direction, and the X-ray source assembly rotates to enable the second flat panel detector to obtain a projection image of an inspection target. The X-ray machine has high diagnosis precision.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to an X-ray machine.
Background
In the field of medical imaging technology, DR systems and CT are commonly used, and medical images are displayed in the form of digital images by computer technology.
However, since the DR system obtains two-dimensional overlapped images, there are slice overlapping and external artifacts, and the accuracy and precision of lesion detection are low, which easily causes missed diagnosis or misdiagnosis.
However, CT has a large detection radiation dose and a low spatial resolution, and CT is prone to generate artifacts in the detection of a metal implant region in a human body, which affects the diagnostic accuracy.
Therefore, how to provide an X-ray machine capable of improving the diagnosis accuracy is a problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of the above, an object of the present invention is to provide an X-ray machine with high diagnostic accuracy.
In order to achieve the above purpose, the invention provides the following technical scheme:
an X-ray machine comprising:
the X-ray source assembly can rotate around a rotating shaft vertical to the first upright column;
the second upright post and the first flat panel detector are arranged on the second upright post in a lifting manner;
the second flat panel detector and the first upright post can move along the length direction of the photography bed;
the control device is connected with the first flat panel detector and the second flat panel detector and is used for obtaining a fault fusion image of an inspection target according to a detection signal of the first flat panel detector or the second flat panel detector;
when an examiner stands beside the second upright column for examination, the X-ray source assembly and the first flat panel detector synchronously move in opposite directions, and the X-ray source assembly rotates around the rotating shaft, so that the X-ray source assembly rotates around an examination target, and the first flat panel detector obtains a projection image of the examination target;
when an examiner lies on the photographic bed for examination, the first upright post and the second flat panel detector synchronously move in opposite directions, and the X-ray source assembly rotates around the rotating shaft, so that the X-ray source assembly rotates around an examination object as a center, and the second flat panel detector obtains a projection image of the examination object.
Preferably, the first upright column is slidably connected with a first lifting movement mechanism, and the X-ray source assembly is connected with the first lifting movement mechanism through a rotating mechanism.
Preferably, the first upright post is slidably connected with the upright post moving seat.
Preferably, the photography couch includes:
the bed body frame is used for bearing;
and the second flat plate detector is arranged in the first box.
Preferably, the photography couch further comprises a couch surface on which an examinee lies, and the couch surface is movably disposed on the couch frame in a length direction and a width direction of the couch frame, respectively.
Preferably, the second column is slidably connected to a second lifting mechanism, and the first flat panel detector is disposed on the second lifting mechanism.
Preferably, the second lifting movement mechanism is provided with a second sheet box for mounting the first flat panel detector.
The X-ray machine provided by the invention can change the projection angle of the X-ray source component by utilizing the rotation of the X-ray source component around the rotating shaft vertical to the first upright post, and can convert the X-ray information projected to the inspection target from different angles into digital signals by the synchronous reverse motion of the X-ray source component and the first flat panel detector or the synchronous reverse motion of the first upright post and the second flat panel detector, and finally, a control device can obtain the fault fusion image of the inspection target according to the detection signals of the first flat panel detector or the second flat panel detector, so that the X-ray machine can realize vertical or horizontal X-ray fault fusion diagnosis.
Compared with a DR system in the prior art, the X-ray machine reduces the overlapping of layers and external artifacts, and can obviously improve the sensitivity of lesion detection; compared with the CT in the prior art, the X-ray machine has the advantages of low exposure dose, high spatial resolution, small interference caused by foreign matters entering and exiting, high diagnosis precision and accuracy, capability of avoiding missed diagnosis or misdiagnosis, and important functions in the occasions of conventional physical examination centers, disease control, tuberculosis prevention and treatment, large-scale physical examination requirements and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic diagram of a use state of an X-ray machine for implementing horizontal X-ray tomosynthesis diagnosis according to an embodiment of the present invention;
fig. 2 is a schematic view of a use state of the X-ray machine for implementing vertical X-ray tomosynthesis diagnosis according to an embodiment of the present invention.
The reference numerals in fig. 1 and 2 are as follows:
the X-ray examination device comprises a first upright column 1, an X-ray source assembly 2, a second upright column 3, a first flat panel detector 4, a photographic bed 5, a bed body frame 51, a first box 52, a bed surface 53, a second flat panel detector 6, a rotating mechanism 7, an upright column moving seat 8 and an examination object 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The core of the invention is to provide the X-ray machine which has higher diagnosis precision.
Referring to fig. 1-2, fig. 1 is a schematic diagram illustrating a use state of an X-ray machine for implementing horizontal X-ray tomosynthesis diagnosis according to an embodiment of the present invention; fig. 2 is a schematic view of a use state of the X-ray machine for implementing vertical X-ray tomosynthesis diagnosis according to an embodiment of the present invention.
The invention provides an X-ray machine, which comprises a first upright post 1, a second upright post 3, a camera bed 5, an X-ray source component 2, a first flat panel detector 4, a second flat panel detector 6 and a control device.
Specifically, the X-ray source assembly 2 is disposed on the first column 1 in a liftable manner, and the X-ray source assembly 2 can rotate around a rotating shaft perpendicular to the first column 1.
The first flat panel detector 4 is arranged on the second upright post 3 in a lifting way.
It is understood that the first column 1 and the second column 3 have a predetermined distance therebetween, so that the first flat panel detector 4 can detect a projection image of the X-rays emitted from the X-ray source assembly 2 projected onto the inspection target 9.
The second flat panel detector 6 is movably arranged on the bed 5, and the moving direction of the second flat panel detector 6 is parallel to the length direction of the bed 5, that is, the second flat panel detector 6 can move back and forth along the length direction of the bed 5.
Meanwhile, the first column 1 can also move back and forth along the length direction of the bed 5.
It should be noted that the focus of the present invention is that the X-ray source assembly 2 can rotate around a rotation axis perpendicular to the first column 1, so that the projection angle of the X-ray source assembly 2 can be changed, and in combination with the lifting motion of the X-ray source assembly 2 along the first column 1 or the back and forth motion of the first column 1 along the length direction of the bed 5, the X-ray source assembly 2 can rotate around the examination object 9, so that the X-rays emitted by the X-ray source assembly 2 can always be projected onto the examination object 9.
Meanwhile, the first flat panel detector 4 can be lifted along the second upright post 3, and the second flat panel detector 6 can be moved back and forth along the length direction of the bed 5, so that the examination object 9 can be projected onto the preset position of the first flat panel detector 4 or the second flat panel detector 6 all the time by synchronously moving the X-ray source assembly 2 and the first flat panel detector 4 in the opposite direction or synchronously moving the first upright post 1 and the second flat panel detector 6 in the opposite direction.
As will be understood by those skilled in the art, when the projection angle of the X-ray source assembly 2 is changed and the X-ray emitted from the X-ray source assembly 2 is projected onto the inspection target 9, the projection position of the inspection target 9 is changed, so that the X-ray source assembly 2 and the first flat panel detector 4 are moved in a synchronous reverse direction when the inspection target 9 is inspected in order to always project the inspection target 9 onto the preset position of the first flat panel detector 4.
Similarly, in order to enable the inspection target 9 to be projected onto the preset position of the second flat panel detector 6 all the time, when the inspection target 9 is inspected, the X-ray source assembly 2 and the second flat panel detector 6 need to move in a reverse direction synchronously, and since the X-ray source assembly 2 is arranged on the first upright post 1, the invention realizes the synchronous reverse movement of the X-ray source assembly 2 and the second flat panel detector 6 by enabling the first upright post 1 and the second flat panel detector 6 to move in a reverse direction synchronously.
The specific implementation manner of the lifting of the X-ray source assembly 2 along the first column 1 and the lifting of the first flat panel detector 4 along the second column 3 is not limited in the present invention, for example, the driving mechanisms for respectively providing lifting power for the X-ray source assembly 2 and the first flat panel detector 4 may be both connected to the control device, and the control device controls the X-ray source assembly 2 and the first flat panel detector 4 to synchronously and reversely move.
Similarly, the control device can control the first upright post 1 and the second flat panel detector 6 to synchronously move in opposite directions.
That is, by the lifting movement of the X-ray source assembly 2 along the first column 1, the rotation of the X-ray source assembly 2 around the rotation axis perpendicular to the first column 1, and the lifting movement of the first flat panel detector 4 along the second column 3; alternatively, by moving the first column 1 back and forth along the length direction of the bed 5, rotating the X-ray source assembly 2 around the rotation axis perpendicular to the first column 1, and moving the second flat panel detector 6 back and forth along the length direction of the bed 5, the field center of the X-ray source assembly 2 and the center of the inspection target 9 can be aligned with the center of the first flat panel detector 4 or the second flat panel detector 6, so that the inspection target 9 can be projected at the preset position of the first flat panel detector 4 or the second flat panel detector 6 all the time, and finally the first flat panel detector 4 or the second flat panel detector 6 can obtain projection images of the inspection target 9 superimposed in multiple angles, that is, the first flat panel detector 4 or the second flat panel detector 6 can convert X-ray information projected to the inspection target 9 from different angles into digital signals, so as to reconstruct a tomosynthesis image of the inspection target 9 subsequently.
The first flat panel detector 4 and the second flat panel detector 6 are both connected with the control device to send detection signals thereof to the control device, and the control device is used for obtaining a tomosynthesis image of the inspection target 9 according to the detection signals of the first flat panel detector 4 or the second flat panel detector 6.
It should be noted that the tomosynthesis technology belongs to a relatively mature technology in the prior art, the specific mode of the tomosynthesis performed by the control device in the present invention is not limited, and the control device may obtain the tomosynthesis image of the inspection target 9 by using a mature image reconstruction technology and a series of image post-processing in the prior art.
Preferably, a control device is used to automatically control the lifting motion of the X-ray source assembly 2 along the first column 1, the rotation of the X-ray source assembly 2 around the rotation axis perpendicular to the first column 1, the lifting motion of the first flat panel detector 4 along the second column 3, the back-and-forth movement of the first column 1 along the length direction of the bed 5, and the back-and-forth movement of the second flat panel detector 6 along the length direction of the bed 5, so that the lifting motion of the X-ray source assembly 2 along the first column 1, the rotation of the X-ray source assembly 2 around the rotation axis perpendicular to the first column 1, and the lifting motion of the first flat panel detector 4 along the second column 3 are coordinated, or the first column 1 is moved back and forth along the length direction of the bed 5, the X-ray source assembly 2 rotates around the rotating shaft perpendicular to the first column 1, and the second flat panel detector 6 moves back and forth along the length direction of the bed 5.
It can be understood that the X-ray source assembly 2 and the first flat panel detector 4 can be used for realizing vertical X-ray tomosynthesis diagnosis, and the X-ray source assembly 2 and the second flat panel detector 6 can be used for realizing horizontal X-ray tomosynthesis diagnosis.
Specifically, when the examiner stands by the second column 3 for examination, the X-ray source assembly 2 and the first flat panel detector 4 are moved in synchronization in reverse directions, and the X-ray source assembly 2 is rotated about the rotation shaft, so that the X-ray source assembly 2 is rotated centering on the examination target 9 and the first flat panel detector 4 obtains a projection image of the examination target 9.
When the examiner lies on the bed 5 for examination, the first column 1 and the second flat panel detector 6 are moved in synchronization with each other in the opposite direction, and the X-ray source assembly 2 is rotated about the rotary shaft so that the X-ray source assembly 2 is rotated about the examination object 9 as a center, and the second flat panel detector 6 obtains a projection image of the examination object 9.
Therefore, according to the X-ray machine provided by the invention, the projection angle of the X-ray source assembly 2 can be changed by rotating the X-ray source assembly 2 around the rotating shaft perpendicular to the first upright post 1, and the first flat panel detector 4 or the second flat panel detector 6 can convert X-ray information projected to the inspection target 9 from different angles into digital signals by the synchronous reverse motion of the X-ray source assembly 2 and the first flat panel detector 4 or the synchronous reverse motion of the first upright post 1 and the second flat panel detector 6, so that the control device can obtain a tomosynthesis image of the inspection target 9 according to the detection signals of the first flat panel detector 4 or the second flat panel detector 6, that is, the X-ray machine can realize vertical or horizontal X-ray tomosynthesis diagnosis.
Compared with a DR system in the prior art, the X-ray machine reduces the overlapping of layers and external artifacts, and can obviously improve the sensitivity of lesion detection; compared with the CT in the prior art, the X-ray machine has the advantages of low exposure dose, high spatial resolution, small interference caused by foreign matters entering and exiting, high diagnosis precision and accuracy, capability of avoiding missed diagnosis or misdiagnosis, and important functions in the occasions of conventional physical examination centers, disease control, tuberculosis prevention and treatment, large-scale physical examination requirements and the like.
It should be noted that the specific lifting manner of the X-ray source assembly 2 and the implementation manner of the rotation thereof around the rotation axis perpendicular to the first column 1 are not limited in the present invention, and those skilled in the art can implement the lifting manner and the rotation about the rotation axis by using a conventional mechanical structure according to actual needs.
Preferably, on the basis of the above embodiment, the first column 1 is slidably connected with a first elevating and moving mechanism, and the X-ray source assembly 2 is connected with the first elevating and moving mechanism through the rotating mechanism 7.
That is, in this embodiment, the first lifting mechanism slides relative to the first column 1 to drive the rotating mechanism 7 and the X-ray source assembly 2 to integrally lift along the first column 1, and the rotating mechanism 7 drives the X-ray source assembly 2 to rotate around the rotating shaft perpendicular to the first column 1.
The specific structure of the first lifting mechanism is not limited in this embodiment, and it can be understood that the first lifting mechanism is connected to the first lifting driving device to provide a power source for the first lifting mechanism through the first lifting driving device, so that the first lifting driving device drives the first lifting mechanism to lift.
In addition, the specific structure of the rotating mechanism 7 is not limited in this embodiment, the fixed end of the rotating mechanism 7 is connected to the first elevating movement mechanism, the output end of the rotating mechanism 7 is connected to the X-ray source assembly 2, and the rotating mechanism 7 may be a motor or other assembly capable of outputting a rotating motion.
In view of the specific implementation of the first upright post 1 moving back and forth along the length direction of the bed 5, on the basis of the above embodiment, the first upright post 1 further comprises an upright post moving seat 8 for defining the moving direction of the first upright post 1, and the first upright post 1 is slidably connected with the upright post moving seat 8.
That is to say, this embodiment guides the movement of the first column 1 by providing the column moving base 8, so that the first column 1 moves along the column moving base 8, thereby making the movement of the first column 1 more stable.
It will be appreciated that the first upright 1 is connected to translational drive means for driving its movement along the upright mobile seat 8, so as to provide translational power to the first upright 1.
In view of the specific implementation of the second flat panel detector 6 moving back and forth along the length direction of the bed 5, on the basis of the above embodiment, the bed 5 includes a bed frame 51 and a first sheet cassette 52, the bed frame 51 mainly plays a bearing role, the first sheet cassette 52 is used for arranging the second flat panel detector 6, and the first sheet cassette 52 is connected with the bed frame 51 in a sliding manner.
That is, the second flat panel detector 6 moves back and forth along the length direction of the bed 5 by the sliding of the first cassette 52 relative to the bed frame 51.
In order to adjust the position of the examination target 9, in addition to the above-described embodiment, the imaging table 5 further includes a table surface 53 on which the examiner lies, and the table surface 53 is provided on the table frame 51 so as to be movable in the longitudinal direction and the width direction of the table frame 51, respectively.
That is, when the examiner lies on the bed surface 53, the position of the bed surface 53 can be adjusted by moving the bed surface 53 in the length direction and/or the width direction of the bed frame 51, so that the examination target is positioned at a proper position, thereby facilitating the alignment of the X-ray source assembly 2 and the second flat panel detector 6 with the examination target 9, respectively.
It should be noted that the specific lifting manner of the first flat panel detector 4 is not limited in the present invention, and those skilled in the art can implement the lifting manner by using a conventional mechanical structure according to actual needs.
As a preferable scheme, on the basis of the above embodiment, the second column 3 is slidably connected with a second elevating movement mechanism, and the first flat panel detector 4 is disposed on the second elevating movement mechanism.
That is, in this embodiment, the second lifting/lowering mechanism slides relative to the second column 3 to drive the first flat panel detector 4 to lift or lower along the second column 3.
The specific structure of the second lifting mechanism is not limited in this embodiment, and it can be understood that the second lifting mechanism is connected to the second lifting driving device to provide a power source for the second lifting mechanism through the second lifting driving device, so that the second lifting driving device drives the second lifting mechanism to move.
In view of the convenience of the arrangement of the first flat panel detector 4, on the basis of the above-described embodiment, the second elevating moving mechanism is provided with the second cassette for mounting the first flat panel detector 4.
That is to say, this embodiment installs first flat panel detector 4 in the second spool box, drives the motion of second spool box through second lifting movement mechanism, and then drives the lift of first flat panel detector 4.
It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The X-ray machine provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (7)
1. An X-ray machine, comprising:
the X-ray source assembly comprises a first upright post (1) and an X-ray source assembly (2) which is arranged on the first upright post (1) in a lifting mode, wherein the X-ray source assembly (2) can rotate around a rotating shaft vertical to the first upright post (1);
the device comprises a second upright post (3) and a first flat panel detector (4) which is arranged on the second upright post (3) in a lifting manner;
the device comprises a photographic bed (5) and a second flat panel detector (6) arranged on the photographic bed (5), wherein both the second flat panel detector (6) and the first upright post (1) can move along the length direction of the photographic bed (5);
the control device is connected with the first flat panel detector (4) and the second flat panel detector (6) and is used for obtaining a tomosynthesis image of an inspection target (9) according to detection signals of the first flat panel detector (4) or the second flat panel detector (6);
when an examiner stands beside the second upright post (3) for examination, the X-ray source assembly (2) and the first flat panel detector (4) synchronously move in opposite directions, and the X-ray source assembly (2) rotates around the rotating shaft, so that the X-ray source assembly (2) rotates around an examination target (9) and the first flat panel detector (4) obtains a projection image of the examination target (9);
when an examiner lies on the photographic bed (5) for examination, the first upright post (1) and the second flat panel detector (6) synchronously move in opposite directions, and the X-ray source assembly (2) rotates around the rotating shaft, so that the X-ray source assembly (2) rotates around an examination object (9) and the second flat panel detector (6) obtains a projection image of the examination object (9).
2. An X-ray machine according to claim 1, characterized in that a first lifting movement mechanism is slidingly connected to the first upright (1), the X-ray source assembly (2) being connected to the first lifting movement mechanism by means of a rotation mechanism (7).
3. An X-ray machine according to claim 2, characterized by further comprising a column movement seat (8) for defining the direction of movement of said first column (1), said first column (1) being slidingly associated with said column movement seat (8).
4. An X-ray machine according to any one of claims 1 to 3, characterized in that the camera bed (5) comprises:
a bed frame (51) for carrying;
with bed body frame (51) sliding connection's first spool box (52), second flat panel detector (6) are located in first spool box (52).
5. The X-ray machine according to claim 4, wherein the imaging bed (5) further comprises a bed surface (53) on which an examiner lies, the bed surface (53) being provided to the bed frame (51) movably in a length direction and a width direction of the bed frame (51), respectively.
6. An X-ray machine according to claim 4, characterized in that a second lifting movement mechanism is slidably connected to the second upright (3), the first flat panel detector (4) being provided on the second lifting movement mechanism.
7. An X-ray machine according to claim 6, characterized in that the second lifting movement means are provided with a second magazine for mounting the first flat detector (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010285605.5A CN111358481A (en) | 2020-04-13 | 2020-04-13 | X-ray machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010285605.5A CN111358481A (en) | 2020-04-13 | 2020-04-13 | X-ray machine |
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| CN111358481A true CN111358481A (en) | 2020-07-03 |
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| CN202010285605.5A Pending CN111358481A (en) | 2020-04-13 | 2020-04-13 | X-ray machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022053882A1 (en) * | 2020-09-10 | 2022-03-17 | Sociedad Espanola De Electromedicina Y Calidad, S.A. | Upright advanced imaging apparatus, system and method for the same |
| CN115804612A (en) * | 2022-12-09 | 2023-03-17 | 北京朗视仪器股份有限公司 | Imaging device |
-
2020
- 2020-04-13 CN CN202010285605.5A patent/CN111358481A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022053882A1 (en) * | 2020-09-10 | 2022-03-17 | Sociedad Espanola De Electromedicina Y Calidad, S.A. | Upright advanced imaging apparatus, system and method for the same |
| CN115804612A (en) * | 2022-12-09 | 2023-03-17 | 北京朗视仪器股份有限公司 | Imaging device |
| CN115804612B (en) * | 2022-12-09 | 2023-09-26 | 北京朗视仪器股份有限公司 | Imaging device |
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